Upcoming 5K Races Near Boulder, CO

Name: All-Out Spring Fever
Start: 2026-03-22
End: 2026-03-22
Location: Golden

Denver Veterans Day Run

Denver, CO

Saturday, November 8th, 2025

Featured

10K

View details for race Denver Veterans Day Run

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Girls on the Run Denver Metro 5K

Denver, CO

Sunday, November 9th, 2025

View details for race Girls on the Run Denver Metro 5K

Spring Canyon Park T&H 5K Registration

Fort Collins, CO

Sunday, November 9th, 2025

View details for race Spring Canyon Park T&H 5K Registration

Leyden Rock Turkey Trot 5K

Arvada, CO

Saturday, November 15th, 2025

View details for race Leyden Rock Turkey Trot 5K

Pumpkin Pie 5K/10K

Denver, CO

Saturday, November 15th, 2025

10K

Fast

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Excel Eagle Trot 5K/1K Family Fun Run

Arvada, CO

Saturday, November 15th, 2025

View details for race Excel Eagle Trot 5K/1K Family Fun Run

10k Turkey Trek & 5k Turkey Trot

Arvada, CO

Saturday, November 22nd, 2025

10K

Trail

View details for race 10k Turkey Trek & 5k Turkey Trot

TurCreek Trot 5K

Greenwood Village, CO

Thursday, November 27th, 2025

View details for race TurCreek Trot 5K

Gobble Wobble Run 2025

Littleton, CO

Thursday, November 27th, 2025

View details for race Gobble Wobble Run 2025

Gobble Wobble Run 2025

Littleton, CO

Thursday, November 27th, 2025

View details for race Gobble Wobble Run 2025

Harvesting Hope 5k

Denver, CO

Thursday, November 27th, 2025

View details for race Harvesting Hope 5k

NCMC Turkey Trot

Greeley, CO

Thursday, November 27th, 2025

View details for race NCMC Turkey Trot

Fitness Avenue Turkey Trot 5K

Johnstown, CO

Thursday, November 27th, 2025

View details for race Fitness Avenue Turkey Trot 5K

Alpine Bank Boulder Thanksgiving Day 5K

Boulder, CO

Thursday, November 27th, 2025

View details for race Alpine Bank Boulder Thanksgiving Day 5K

Pelican Lakes Turkey Trot

Windsor, CO

Thursday, November 27th, 2025

View details for race Pelican Lakes Turkey Trot

Broomfield Turkey Day 5K/10K

Broomfield, CO

Thursday, November 27th, 2025

10K

View details for race Broomfield Turkey Day 5K/10K

AdventHealth Avista Louisville Turkey Trot

Louisville, CO

Thursday, November 27th, 2025

View details for race AdventHealth Avista Louisville Turkey Trot

2025 Loveland Turkey Trot

Loveland, CO

Thursday, November 27th, 2025

Trail

View details for race 2025 Loveland Turkey Trot

Parker Parks and Recreation Turkey Day 5K FUN R...

Parker, CO

Thursday, November 27th, 2025

View details for race Parker Parks and Recreation Turkey Day 5K FUN Run/Walk

All-Out Fa La La

Westminster, CO

Saturday, December 6th, 2025

Half

10K

Trail

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Sweaty Sweater 5k

Fort Collins, CO

Saturday, December 6th, 2025

1 Mile

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Santa Shuffle 2024

Littleton, CO

Saturday, December 13th, 2025

View details for race Santa Shuffle 2024

Santa Catch 5k & 10k

Windsor, CO

Saturday, December 13th, 2025

10K

1 Mile

Trail

View details for race Santa Catch 5k & 10k

WinterFest 5k & Fun Run

Thornton, CO

Saturday, December 13th, 2025

View details for race WinterFest 5k & Fun Run

Superior Stocking Run

Superior, CO

Saturday, December 13th, 2025

Fast

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2025 Jingle Bell Run - Colorado

Denver, CO

Sunday, December 14th, 2025

View details for race 2025 Jingle Bell Run - Colorado

Run Like a Reindeer 5K

Winter Park, CO

Saturday, December 20th, 2025

Trail

View details for race Run Like a Reindeer 5K

Santa's Dash for Ca$h

Denver, CO

Saturday, December 20th, 2025

View details for race Santa's Dash for Ca$h

Ugly Sweater 5K

Denver, CO

Sunday, December 21st, 2025

Fast

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Candy Cane Course - Denver

Denver, CO

Saturday, December 27th, 2025

1 Mile

12K

View details for race Candy Cane Course - Denver

Candy Cane Course - Denver

Westminster, CO

Saturday, December 27th, 2025

1 Mile

12K

View details for race Candy Cane Course - Denver

Steve's Event Page TEST RACE

Morrison, CO

Wednesday, December 31st, 2025

View details for race Steve's Event Page TEST RACE

Resolution Run 5K

Fort Collins, CO

Wednesday, December 31st, 2025

View details for race Resolution Run 5K

Resolute Runner 5k

Arvada, CO

Thursday, January 1st, 2026

Trail

View details for race Resolute Runner 5k

All-Out Polar Prowl

Arvada, CO

Saturday, January 10th, 2026

Half

10K

Trail

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Sentinel Flurry

Golden, CO

Saturday, January 10th, 2026

1 Mile

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Colorado Cold Rush

Louisville, CO

Sunday, January 18th, 2026

10K

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Arctic Prairie Dog Half, 10k & 5k

Louisville, CO

Sunday, January 18th, 2026

Half

10K

View details for race Arctic Prairie Dog Half, 10k & 5k

Polar Bear Run and Plunge

Fort Collins, CO

Saturday, January 24th, 2026

View details for race Polar Bear Run and Plunge

Yeti Chase 5k/10k

Morrison, CO

Sunday, January 25th, 2026

10K

View details for race Yeti Chase 5k/10k

Westy Winter Waggle 5&10k

Westminster, CO

Saturday, February 7th, 2026

10K

View details for race Westy Winter Waggle 5&10k

Heart Throb 5k

Arvada, CO

Saturday, February 14th, 2026

Fast

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Ralston Creek Half Marathon & 5k

Arvada, CO

Sunday, February 15th, 2026

Trail

View details for race Ralston Creek Half Marathon & 5k

All-Out Mardi Crawl

Arvada, CO

Sunday, February 22nd, 2026

Half

10K

Trail

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Highlands Ranch 5k

Highlands Ranch, CO

Sunday, February 22nd, 2026

View details for race Highlands Ranch 5k

Time to Paddy 5k/10k & Lucky 13.1 - Denver

Denver, CO

Saturday, February 28th, 2026

10K

Half

View details for race Time to Paddy 5k/10k & Lucky 13.1 - Denver

Sharin' O' The Green 5k

Fort Collins, CO

Saturday, March 14th, 2026

Fast

View details for race Sharin' O' The Green 5k

Lucky Brew Race 5K, 10K, 15k & Half Marathon

Severance, CO

Saturday, March 14th, 2026

10K

15K

View details for race Lucky Brew Race 5K, 10K, 15k & Half Marathon

Lucky Brew Race 5K, 10K, and 15K

Windsor, CO

Saturday, March 21st, 2026

10K

15K

Trail

View details for race Lucky Brew Race 5K, 10K, and 15K

All-Out Spring Fever

Golden, CO

Sunday, March 22nd, 2026

Half

10K

Trail

View details for race All-Out Spring Fever

Explore more in Boulder, CO

Distances:

5K 10K Half Marathon Marathon

Months:

November December January

Tags:

Trail Boston Qualifiers Fast Courses

State:

All Colorado races

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